Self-Pulsating Semiconductor Lasers: Theory and Experiment

Details Self-Pulsating Semiconductor Lasers: Theory and Experiment Self-Pulsating Semiconductor Lasers: Theory and Experiment

1999-06-11

arxiv.org/abs/physics/9906027v1

IEEE J. Quantum Electron. 35, 764-770 (1999)

Physics

Optics

Revtex, 16 pages, 7 figures

Scientific paper

10.1109/3.760324

We report detailed measurements of the pump-current dependency of the self-pulsating frequency of semiconductor CD lasers. A distinct kink in this dependence is found and explained using rate-equation model. The kink denotes a transition between a region where the self-pulsations are weakly sustained relaxation oscillations and a region where Q-switching takes place. Simulations show that spontaneous emission noise plays a crucial role for the cross-over.

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